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Protein

Ribulose bisphosphate carboxylase large chain

Gene

cbbL

Organism
Arthrospira platensis (strain NIES-39 / IAM M-135) (Spirulina platensis)
Status
Unreviewed-Annotation score: Annotation score: 4 out of 5-Protein inferred from homologyi

Functioni

RuBisCO catalyzes two reactions: the carboxylation of D-ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate in the photorespiration process. Both reactions occur simultaneously and in competition at the same active site.UniRule annotation

Catalytic activityi

2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O.UniRule annotation
3-phospho-D-glycerate + 2-phosphoglycolate = D-ribulose 1,5-bisphosphate + O2.UniRule annotation

Cofactori

Mg2+UniRule annotationNote: Binds 1 Mg2+ ion per subunit.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei124 – 1241Substrate; in homodimeric partnerUniRule annotation
Binding sitei174 – 1741SubstrateUniRule annotation
Active sitei176 – 1761Proton acceptorUniRule annotation
Binding sitei178 – 1781SubstrateUniRule annotation
Metal bindingi202 – 2021Magnesium; via carbamate groupUniRule annotation
Metal bindingi204 – 2041MagnesiumUniRule annotation
Metal bindingi205 – 2051MagnesiumUniRule annotation
Active sitei295 – 2951Proton acceptorUniRule annotation
Binding sitei296 – 2961SubstrateUniRule annotation
Binding sitei328 – 3281SubstrateUniRule annotation
Sitei335 – 3351Transition state stabilizerUniRule annotation
Binding sitei380 – 3801SubstrateUniRule annotation

GO - Molecular functioni

  1. magnesium ion binding Source: UniProtKB-HAMAP
  2. monooxygenase activity Source: UniProtKB-KW
  3. ribulose-bisphosphate carboxylase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. photorespiration Source: UniProtKB-KW
  2. reductive pentose-phosphate cycle Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

LyaseUniRule annotation, MonooxygenaseUniRule annotation, Oxidoreductase

Keywords - Biological processi

Calvin cycleUniRule annotation, Carbon dioxide fixationUniRule annotation, PhotorespirationUniRule annotation

Keywords - Ligandi

MagnesiumUniRule annotation, Metal-bindingUniRule annotation

Names & Taxonomyi

Protein namesi
Recommended name:
Ribulose bisphosphate carboxylase large chainUniRule annotation (EC:4.1.1.39UniRule annotation)
Short name:
RuBisCO large subunitUniRule annotation
Gene namesi
Name:cbbLUniRule annotation
Synonyms:rbcLUniRule annotation
ORF Names:NIES39_K02850Imported
OrganismiArthrospira platensis (strain NIES-39 / IAM M-135) (Spirulina platensis)Imported
Taxonomic identifieri696747 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeOscillatorialesArthrospira
ProteomesiUP000006803 Componenti: Chromosome

PTM / Processingi

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei202 – 2021N6-carboxylysineUniRule annotation
Disulfide bondi248 – 248Interchain; in linked formUniRule annotation

Post-translational modificationi

The disulfide bond which can form in the large chain dimeric partners within the hexadecamer appears to be associated with oxidative stress and protein turnover.UniRule annotation

Keywords - PTMi

Disulfide bondUniRule annotation

Interactioni

Subunit structurei

Heterohexadecamer of 8 large chains and 8 small chains; disulfide-linked. The disulfide link is formed within the large subunit homodimers.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliD4ZVW7.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the RuBisCO large chain family. Type I subfamily.UniRule annotation

Phylogenomic databases

KOiK01601.

Family and domain databases

Gene3Di3.20.20.110. 1 hit.
3.30.70.150. 1 hit.
HAMAPiMF_01338. RuBisCO_L_type1.
InterProiIPR020878. RuBisCo_large_chain_AS.
IPR020888. RuBisCO_lsu.
IPR000685. RuBisCO_lsu_C.
IPR017443. RuBisCO_lsu_fd_N.
IPR017444. RuBisCO_lsu_N.
[Graphical view]
PfamiPF00016. RuBisCO_large. 1 hit.
PF02788. RuBisCO_large_N. 1 hit.
[Graphical view]
SUPFAMiSSF51649. SSF51649. 1 hit.
SSF54966. SSF54966. 1 hit.
PROSITEiPS00157. RUBISCO_LARGE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

D4ZVW7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSYSQTQTKS KAGYQAGVKD YKLTYYTPDY TPKDTDILAA FRVSPQPGVP
60 70 80 90 100
PEEAGAAVAA ESSTGTWTTV WTDLLTDLDR YKGRCYHIEP VPGEDNQFFC
110 120 130 140 150
FVAYPLDLFE EGSVTNMLTS IVGNVFGFKA LRGLRLEDMR IPIAYLKTFQ
160 170 180 190 200
GPPHGITVER DKLNKYGRPL LGCTIKPKLG LSAKNYGRAV YECLRGGLDF
210 220 230 240 250
TKDDENINSQ PFMRWRDRFL FVQEAIEKAQ AETNEIKGHY LNVTAPTCEE
260 270 280 290 300
MMKRAEFAKE IGTPIIMHDF FTAGFTANTT LARWCRDNGL LLHIHRAMHA
310 320 330 340 350
VVDRQRNHGI HFRVLAKCLR MSGGDHLHSG TVVGKLEGEK GITMGFVDLM
360 370 380 390 400
REDHIEEDRS RGIFFTQDWA SMPGVMPVAS GGIHVWHMPA LVEIFGDDSC
410 420 430 440 450
LQFGGGTLGH PWGNAPGATA NRVALEACIQ ARNEGRNLFR EGGDVIREAC
460 470
KWSPELAVAC ELWKEIKFEF EAMDTL
Length:476
Mass (Da):53,280
Last modified:June 14, 2010 - v1
Checksum:iBFC00F25F64B695A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AP011615 Genomic DNA. Translation: BAI91932.1.
RefSeqiYP_005070470.1. NC_016640.1.

Genome annotation databases

EnsemblBacteriaiBAI91932; BAI91932; NIES39_K02850.
GeneIDi15167013.
KEGGiarp:NIES39_K02850.
PATRICi42721513. VBIArtPla153080_1977.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AP011615 Genomic DNA. Translation: BAI91932.1.
RefSeqiYP_005070470.1. NC_016640.1.

3D structure databases

ProteinModelPortaliD4ZVW7.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiBAI91932; BAI91932; NIES39_K02850.
GeneIDi15167013.
KEGGiarp:NIES39_K02850.
PATRICi42721513. VBIArtPla153080_1977.

Phylogenomic databases

KOiK01601.

Family and domain databases

Gene3Di3.20.20.110. 1 hit.
3.30.70.150. 1 hit.
HAMAPiMF_01338. RuBisCO_L_type1.
InterProiIPR020878. RuBisCo_large_chain_AS.
IPR020888. RuBisCO_lsu.
IPR000685. RuBisCO_lsu_C.
IPR017443. RuBisCO_lsu_fd_N.
IPR017444. RuBisCO_lsu_N.
[Graphical view]
PfamiPF00016. RuBisCO_large. 1 hit.
PF02788. RuBisCO_large_N. 1 hit.
[Graphical view]
SUPFAMiSSF51649. SSF51649. 1 hit.
SSF54966. SSF54966. 1 hit.
PROSITEiPS00157. RUBISCO_LARGE. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: NIES-39 / IAM M-135Imported.

Entry informationi

Entry nameiD4ZVW7_ARTPN
AccessioniPrimary (citable) accession number: D4ZVW7
Entry historyi
Integrated into UniProtKB/TrEMBL: June 14, 2010
Last sequence update: June 14, 2010
Last modified: March 3, 2015
This is version 28 of the entry and version 1 of the sequence. [Complete history]
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Miscellaneous

The basic functional RuBisCO is composed of a large chain homodimer in a "head-to-tail" conformation. In form I RuBisCO this homodimer is arranged in a barrel-like tetramer with the small subunits forming a tetrameric "cap" on each end of the "barrel".UniRule annotation

Keywords - Technical termi

Complete proteome, Reference proteomeImported

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.